In the moment I work on a WebMapping Project, wich uses the ArcGIS JavaScript API for Virtual Earth,
to bring ArcGIS Server mapservices into Virtual Earth Applications.
All in all the API is not that bad, and Virtual Earth is quite nice I think, but the API is really bad documented.

And that with a multi thousand € software!!!

I searched the API Reference guide on how to access single attributes of a FindResult Object. In there reference there was no answer given. The only way I figured through the API was to parse the already html formated "description" string which contains all attributes of the object. But I would have to parse and I couldn't believe that there is no way to access the single attributes.
So I posted a question at the ESRI Forums -> http://forums.esri.com/Thread.asp?c=158&f=2398&t=272374&mc=0 .
Luckyly I got the answer to my question (this is far to often not the case on ESRI forums), but the guy who answered me told me that he found the soulution by trail and error and not in the Documentation. To me thats hilarious, at least when you think of how much you have to pay for such an ArcGIS Server license...

But the app is getting really nice I think, I'll keep you posted as soon we publish it!